<!-- 评论列表 -->
<template>
  <view class="page_box">
    <view class="head_box x-f">
      <button
        :class="{ 'btn-active': typeCurrent === t.code }"
        class="cu-btn type-btn"
        @tap="selType(t.code)"
        v-for="t in commentTypeList"
        :key="t.code"
      >
        {{ t.name }}({{ t.num }})
      </button>
    </view>
    <view class="content_box">
      <scroll-view
        scroll-y="true"
        enable-back-to-top
        @scrolltolower="loadMore"
        class="scroll-box"
      >
        <view class="comment-list">
          <block v-for="comment in commentList" :key="comment.id"
            ><sh-comment :comment="comment"></sh-comment
          ></block>
        </view>

        <!-- 加载更多 -->
        <u-loadmore
          v-if="commentList.length"
          height="80rpx"
          :status="loadStatus"
          icon-type="flower"
          color="#ccc"
        />
      </scroll-view>
    </view>
    <view class="foot_box"></view>
    <!-- 自定义底部导航 -->
    <shopro-tabbar></shopro-tabbar>
    <!-- 关注弹窗 -->
    <shopro-float-btn></shopro-float-btn>
    <!-- 连续弹窗提醒 -->
    <shopro-notice-modal></shopro-notice-modal>
    <!-- 登录提示 -->
    <shopro-login-modal></shopro-login-modal>
  </view>
</template>

<script>
import shComment from "./children/sh-comment.vue";
export default {
  components: {
    shComment,
  },
  data() {
    return {
      typeCurrent: "all",
      commentList: [],
      commentTypeList: [],
      loadStatus: "loadmore", //loadmore-加载前的状态，loading-加载中的状态，nomore-没有更多的状态
      currentPage: 1,
      lastPage: 1,
    };
  },
  computed: {},
  onLoad() {
    this.getCommentType();
  },
  methods: {
    selType(id) {
      this.typeCurrent = id;
      this.commentList = [];
      this.currentPage = 1;
      this.$u.debounce(this.getCommentList);
    },
    // 评价类型
    getCommentType() {
      let that = this;
      that
        .$api("goods_comment.type", {
          goods_id: that.$Route.query.goodsId,
        })
        .then((res) => {
          if (res.code === 1) {
            that.commentTypeList = res.data;
            that.getCommentList();
          }
        });
    },
    // 商品评论
    getCommentList() {
      let that = this;
      that.loadStatus = "loading";
      that
        .$api("goods_comment.list", {
          goods_id: that.$Route.query.goodsId,
          pre_page: 10,
          page: that.currentPage,
          type: that.typeCurrent,
        })
        .then((res) => {
          if (res.code === 1) {
            that.commentList = [...that.commentList, ...res.data.data];
            that.lastPage = res.data.last_page;
            if (that.currentPage < res.data.last_page) {
              that.loadStatus = "loadmore";
            } else {
              that.loadStatus = "nomore";
            }
          }
        });
    },
    // 加载更多
    loadMore() {
      if (this.currentPage < this.lastPage) {
        this.currentPage += 1;
        this.getCommentList();
      }
    },
  },
};
</script>

<style lang="scss">
.empty-box {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.head_box {
  height: 114rpx;
  background-color: #fff;
  padding: 0 20rpx;
  .type-btn {
    background: rgba(238, 238, 238, 1);
    border-radius: 31rpx;
    border: none;
    font-size: 28rpx;
    font-family: PingFang SC;
    font-weight: 400;
    color: rgba(153, 153, 153, 1);
    padding: 0;
    margin-right: 10rpx;
    width: 130rpx;
    height: 62rpx;
  }
  .btn-active {
    background: linear-gradient(
      90deg,
      rgba(233, 180, 97, 1),
      rgba(238, 204, 137, 1)
    );
    box-shadow: 0px 7rpx 6rpx 0px rgba(229, 138, 0, 0.22);
    color: #a8700d;
  }
}
.comment-list {
  margin-top: 20rpx;
}
</style>
